134TroubleshootingIf the TV seems to have a problem, first try this list of possible problems and solutions.If none of these troubleshooting tips apply, then call your nearest service center.ProblemPoor picture.No picture or sound.Poor sound quality.Your remote control does notoperate the TV.The TV won’t turn on.There is no screen image.The image is too light or too dark.The image is too large or too small.Digital broadcasting screenproblem.Screen is black and power indicatorlight blinks steadily.The visual qualities of digitalchannels vary.Although the TV caption shows HD,the visual quality is not satisfactory.Possible SolutionCheck all wire connections.Try another channel. Press the SOURCE button.Make sure the TV is plugged in.Check the antenna connections.Check that the Mute feature is Off.Check if Internal Mute is set to On.Try another channel. Adjust the volume.Press the “TV” button to put your remote control in the“TV” mode.Check the battery charge of the remote control.Check if the power plug is connected.Check to see that both the TV and the source areplugged in and turned on.Adjust the Brightness or Contrast settings.Adjust the Size settings.Please check the digital signal strength and inputantenna.On your computer check; Power, Signal Cable.The TV is using its power management system.Move the computer’s mouse or press any key on thekeyboard.On your equipment check (STB, DVD, etc) ; Power,Signal Cable.The TV is using its power management system.Press the Source button on the panel or remote control.Turn the TV off and on.The visual qualities of digital channels may varydepending on the original production method (analogor digital).➔ If the original production method is digital: Highvisual quality program.➔ If the original production method is analog: Thedigital program displayed on the screen is originallyan analog program which has been converted.The visual quality is of an SD grade.The HD caption that appears when switching channelsor when pressing the Information button on the remotecontrol means the selected channel is simply a digitalchannel. If the broadcasting station converts ananalog signal into digital and transmits the signal,the visual quality may not be perfect.(Applied to Set Top Box built-in model only.)
